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130338389 = 1063912251
BaseRepresentation
bin1111100010011…
…00111001010101
3100002020212122202
413301030321111
5231331312024
620533334245
73141600206
oct761147125
9302225582
10130338389
1167633185
1237797385
132100680c
141344b5ad
15b698bae
hex7c4ce55

130338389 has 4 divisors (see below), whose sum is σ = 130361280. Its totient is φ = 130315500.

The previous prime is 130338349. The next prime is 130338391. The reversal of 130338389 is 983833031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130338389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130338349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4514 + ... + 16764.

It is an arithmetic number, because the mean of its divisors is an integer number (32590320).

Almost surely, 2130338389 is an apocalyptic number.

It is an amenable number.

130338389 is a deficient number, since it is larger than the sum of its proper divisors (22891).

130338389 is a wasteful number, since it uses less digits than its factorization.

130338389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22890.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 130338389 is about 11416.5839461723. The cubic root of 130338389 is about 507.0188621091.

The spelling of 130338389 in words is "one hundred thirty million, three hundred thirty-eight thousand, three hundred eighty-nine".

Divisors: 1 10639 12251 130338389